D2 is a "brother" group of D-boys, under the management of
Watanabe Entertainment.
D2 was formed in 2009 with members:
The First Member (July 2009)
- Kenki Yamaguchi (山口賢貴, born July 17, 1986) 4th D-Boys Audition last trial participation. D2 oldest.
- Toru Kamitsuru (上鶴,born June 26, 1989) 20th Junon Super Boy Contest: final selection meeting participation.
- Yukito Nishii (西井幸人,born June 14, 1995) The winner Semi-Grand Prix Award in 5th D-Boys Audition
- Ryo Mitsuya (三津谷亮,born February 11, 1988) The winner Judge's Special Award in 5th D-Boys Audition
- Syo Jinnai (陳内 将 , born January 16, 1988) Watanabe Entertainment College graduate.
- Atsushi Arai (荒井敦史 , born May 23, 1993) 21st Junon Super Boy Contest: Video transgenic Award.
Second Member (April 2010)
- Shintaro Akutsu (阿久津愼太郎, born June 21, 1995) The winner Grand Prix Award in 6th D-Boys Audition
- Ryosuke Ikeoka (池岡亮介, born September 3, 1993) The winner Semi-Grand Prix Award in 6th D-Boys Audition
- Yoichiro Oumi (近江陽一郎, born April 5, 1989) The winner Judge's Special Award in 6th D-Boys Audition
- Takuya Negishi (根岸拓哉, born March 12, 1996) 22nd Junon Super Boy Contest: final selection meeting participation. D2 youngest.
Third Member (December 2010)
- Shion Tsuchiya (土屋シオン, born July 07, 1992) Watanabe Entertainment College graduate.
- Yuki Yamada (山田裕貴,born September 18, 1990) The winner Grand Prix Award in D-Boys Audition and D-BOYS Special Unit Audition: final selection meeting participation.
- Takahisa Maeyama (前山剛久,born February 07, 1991) 4th ranked in D-Boys Audition and D-BOYS Special Unit Audition: final selection meeting participation.
- Atsushi Shiramata (白又敦, born March 22, 1994) 5th D-Boys Audition nominated
- Shotaro Okubo (大久保祥太郎,born August 27, 1995) In 2010 resigned from Johnny Jr, then join with Watanabe Entertainment.
Fourth Member (July 2011)
Former Member
- Konno Ryotaro (今野良太郎, August 23, 1993) 5th ranked in D-Boys Audition and D-BOYS Special Unit Audition: final selection meeting participation.